Toshiba e-STUDIO 2555C Service Manual page 683

[C1B0] LCF transport motor abnormality
Classification
Paper feeding system related
service call
Proce
Check item
dure
1 Is the LCF transport motor
working? (Perform the
output check: 03-122/172)
2 LCF transport motor
LGC board
Parts to be replaced
LCF transport motor
LCF board
LGC board
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The LCF transport motor is not rotating normally (when paper can
be fed from any drawer except the LCF).
Result
Yes
No • Check if the connector CN3, CN30 of the
LCF transport motor is disconnected.
• Check if the connector CN102 on the LCF
board is disconnected.
• Check if the signal line connector CN100 on
the LCF board is disconnected.
• Check if the power line connector CN101 on
the LCF board is disconnected.
• Check if the connector CN371 on the LGC
board is disconnected.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the conductor patterns on the LCF
transport motor board, LCF board and LGC
board are short circuited or open circuited.
• Check if the PLL lock signal CN102-3 pin
output from the LCF board is always "L"
level.
• Check if the voltage supplied to the
microcomputer input terminal IC103-17 pin
is always "L" level.
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Error content
Measure
Remark
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
Next
Step
2
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